Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Update' = '%TEMP%\skyp\Microsoft Update.lnk'
Malicious functions:
Executes the following:
- '%CommonProgramFiles%\Microsoft Shared\DW\DW20.EXE' -x -s 408
- '%TEMP%\FEXQNH.exe'
Modifies file system:
Creates the following files:
- %TEMP%\FEXQNH.exe
- %TEMP%\dw.log
- %TEMP%\2308C.dmp
- %TEMP%\aut1.tmp
- %TEMP%\fdcwwnd
- %TEMP%\aut2.tmp
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\fdcwwnd
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 'bi####k.ddns.net':1168
UDP:
- DNS ASK bi####k.ddns.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
